// ControllerConfig returns the current controller configuration.
func (e *ControllerConfigAPI) ControllerConfig() (controller.Config, error) {
var result params.ControllerConfigResult
err := e.facade.FacadeCall("ControllerConfig", nil, &result)
if err != nil {
return nil, err
}
return controller.Config(result.Config), nil
}
func (task *provisionerTask) constructInstanceConfig(
machine *apiprovisioner.Machine,
auth authentication.AuthenticationProvider,
pInfo *params.ProvisioningInfo,
) (*instancecfg.InstanceConfig, error) {
stateInfo, apiInfo, err := auth.SetupAuthentication(machine)
if err != nil {
return nil, errors.Annotate(err, "failed to setup authentication")
}
// Generated a nonce for the new instance, with the format: "machine-#:UUID".
// The first part is a badge, specifying the tag of the machine the provisioner
// is running on, while the second part is a random UUID.
uuid, err := utils.NewUUID()
if err != nil {
return nil, errors.Annotate(err, "failed to generate a nonce for machine "+machine.Id())
}
nonce := fmt.Sprintf("%s:%s", task.machineTag, uuid)
instanceConfig, err := instancecfg.NewInstanceConfig(
names.NewControllerTag(controller.Config(pInfo.ControllerConfig).ControllerUUID()),
machine.Id(),
nonce,
task.imageStream,
pInfo.Series,
apiInfo,
)
if err != nil {
return nil, errors.Trace(err)
}
instanceConfig.Tags = pInfo.Tags
if len(pInfo.Jobs) > 0 {
instanceConfig.Jobs = pInfo.Jobs
}
if multiwatcher.AnyJobNeedsState(instanceConfig.Jobs...) {
publicKey, err := simplestreams.UserPublicSigningKey()
if err != nil {
return nil, err
}
instanceConfig.Controller = &instancecfg.ControllerConfig{
PublicImageSigningKey: publicKey,
MongoInfo: stateInfo,
}
instanceConfig.Controller.Config = make(map[string]interface{})
for k, v := range pInfo.ControllerConfig {
instanceConfig.Controller.Config[k] = v
}
}
return instanceConfig, nil
}